Github user mxm commented on a diff in the pull request:
https://github.com/apache/flink/pull/934#discussion_r35635248
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ExecutionGraph.java
---
@@ -142,17 +146,25 @@
* through the UpdateTaskExecutionState message.
* @param accumulatorSnapshot The serialized flink and user-defined
accumulators
*/
- public void updateAccumulators(AccumulatorSnapshot accumulatorSnapshot)
{
+ public void updateAccumulators(BaseAccumulatorSnapshot
accumulatorSnapshot) {
Map<AccumulatorRegistry.Metric, Accumulator<?, ?>>
flinkAccumulators;
- Map<String, Accumulator<?, ?>> userAccumulators;
+ Map<String, Accumulator<?, ?>> smallUserAccumulators = null;
+ Map<String, List<BlobKey>> largeUserAccumulators = null;
try {
flinkAccumulators =
accumulatorSnapshot.deserializeFlinkAccumulators();
- userAccumulators =
accumulatorSnapshot.deserializeUserAccumulators(userClassLoader);
+
+ if(accumulatorSnapshot instanceof
SmallAccumulatorSnapshot) {
+ smallUserAccumulators =
((SmallAccumulatorSnapshot) accumulatorSnapshot).
+
deserializeSmallUserAccumulators(userClassLoader);
+ } else if(accumulatorSnapshot instanceof
LargeAccumulatorSnapshot) {
+ largeUserAccumulators =
((LargeAccumulatorSnapshot) accumulatorSnapshot).
+ getLargeAccumulatorBlobKeys();
+ }
--- End diff --
You could throw a RuntimeException otherwise.
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